diff --git a/lib/browser.ts b/lib/browser.ts
index 9202f206..0c958165 100644
--- a/lib/browser.ts
+++ b/lib/browser.ts
@@ -22,7 +22,8 @@ import {
     iot,
     mqtt,
     mqtt5,
-    CrtError
+    CrtError,
+    ICrtError
 } from 'aws-crt/dist.browser/browser';
 
 export {
@@ -36,5 +37,6 @@ export {
     iotshadow,
     mqtt,
     mqtt5,
-    CrtError
+    CrtError,
+    ICrtError
 }
diff --git a/lib/index.ts b/lib/index.ts
index db51661a..a94306e3 100644
--- a/lib/index.ts
+++ b/lib/index.ts
@@ -28,7 +28,8 @@ import {
     iot,
     mqtt,
     mqtt5,
-    CrtError
+    CrtError,
+    ICrtError
 } from 'aws-crt';
 
 export {
@@ -44,5 +45,6 @@ export {
     iotshadow,
     mqtt,
     mqtt5,
-    CrtError
+    CrtError,
+    ICrtError
 }